Merge pull request #1430 from googlei18n/penmetsaa-patch-1

Update README.md

README.md

@@ -20,7 +20,7 @@ If you want to report an issue, or to contribute to the project, please read the
   * ` PhoneNumberOfflineGeocoder ` - provides geographical information related to a phone number.
   * ` PhoneNumberToCarrierMapper ` - provides carrier information related to a phone number.
 
-# Demo (v7.7.3)
+# Demo (v7.7.4)
 [Java](http://libphonenumber.appspot.com/)
 
 [JavaScript](https://rawgit.com/googlei18n/libphonenumber/master/javascript/i18n/phonenumbers/demo-compiled.html)